Cheapest return flights from Singapore to Kathmandu in September from 481€
AirHint found the following cheapest return flights from Singapore (SIN) to Kathmandu (KTM) in September 2025 (see full year).
Return flights
| 21 Sep - 11 Oct | Air India | ||
| 11 Sep - 26 Sep | Air India | ||
| 11 Sep - 26 Sep | Singapore Airlines | direct | |
| 21 Sep - 11 Oct | Singapore Airlines | direct |
Also check the deals for one-way flights from Singapore to Kathmandu in September.
The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
